Enough for today... My mapping of all of Europe's rail borders is progressing slowly
Grey: I've not been
Pink: went there this year
Orange: been at another time
And the icon determines what sort of border it is
Today I've plotted a lot of tramways and narrow gauge international railways
Zoomable map: https://umap.openstreetmap.fr/en/map/crossborderrail-all-the-borders_838780#6/51.283/14.637